64739913

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{15649}}^1$

素因数の和:15856

約数の個数: 16

約数和(自身を含む): 99158400

約数和(自身を除く): 34418487

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 15649, 46947, 109543, 328629, 3082853, 9248559, 21579971, 64739913]

約数ペア:

[(1, 64739913), (3, 21579971), (7, 9248559), (21, 3082853), (197, 328629), (591, 109543), (1379, 46947), (4137, 15649)]